Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
12th Edition
ISBN: 9780135755785
Author: Gerald Audesirk, Teresa Audesirk
Publisher: PEARSON+
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Chapter 24.3, Problem 2TC
Summary Introduction
To discuss:
The advantages favored the evolution of tapeworms’ long, flat shape.
Introduction:
The organisms included in the phylum Platyhelminthes are “
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What advantages favored the evolution of tapeworms’ long, flat shape?
Does the lack of a digestive system in tapeworms indicate that it is a primitive, ancestral form of Platyhelminthes? Explain your answer.
What evidence places roundworms in a clade with arthropods?
Chapter 24 Solutions
Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
Ch. 24.1 - Can you... list the characteristics that...Ch. 24.2 - Prob. 1CYLCh. 24.2 - describe the different types of body symmetry,...Ch. 24.2 - give examples of animal groups with each type of...Ch. 24.2 - Prob. 4CYLCh. 24.3 - Prob. 1TCCh. 24.3 - Prob. 2TCCh. 24.3 - Prob. 3TCCh. 24.3 - What advantage does a digestive system with two...Ch. 24.3 - Why does pouring sail on a leech harm it?
Ch. 24.3 - Prob. 6TCCh. 24.3 - Prob. 7TCCh. 24.3 - If you have ever accidentally walked into a spider...Ch. 24.3 - Prob. 1CYLCh. 24.3 - list some member organisms in each of these...Ch. 24.3 - Prob. 3CYLCh. 24.3 - Physicians Assistants Another invertebrate animal...Ch. 24 - Prob. 1MCCh. 24 - Prob. 2MCCh. 24 - Prob. 3MCCh. 24 - Prob. 4MCCh. 24 - Prob. 5MCCh. 24 - __________ Animals obtain energy by __________;...Ch. 24 - Bilaterally symmetrical animals have __________...Ch. 24 - Animals that have an anterior and posterior end...Ch. 24 - Lophotrochozoans and ecdysozoans (molting animals)...Ch. 24 - Prob. 5FIBCh. 24 - Three major groups within the mollusks are the...Ch. 24 - Prob. 7FIBCh. 24 - For each of the following distinctive structures,...Ch. 24 - Prob. 1RQCh. 24 - Prob. 2RQCh. 24 - Briefly describe each of the following...Ch. 24 - Prob. 4RQCh. 24 - Prob. 5RQCh. 24 - Prob. 6RQCh. 24 - Prob. 7RQCh. 24 - Prob. 8RQCh. 24 - Insects are the largest group of animals on Earth....Ch. 24 - Prob. 2AC
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- Describe t sehe advantages favored the evolution of tapeworms' long, flat shape.arrow_forwardCompare and contrast the roundworm body structure with those of aflatworm and an annelid.arrow_forwardWhich would be found in both flatworms and cnidarians? a digestive system with a single opening a distinct head radial symmetry dorsoventrally flattened bodiesarrow_forward
- Why are flatworms called acoelomatesarrow_forwardexamine the morphology of a millipede and a butterfly. What characters do they share? Notice how their bodies are divided into several specialized regions called tagmata. How did tagmatization contribute to the diversity of arthropods?arrow_forwardDescribe the two anatomical features of roundworms that are not found in simpler organisms.arrow_forward
- What are traits of species that would be in phylum arthropodaarrow_forwardWhat is the difference between Tapeworm and Ring worm?arrow_forwardCnidarians may exhibit an “alternation of generations” in their entire life cycle. Describe the “alternation of generations” using the life cycle of a hydrozoan, Obelia.arrow_forward
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